Cognomen Tsuker (Цукер 
, Tsuker 
) , worldwide, is a rare family name. The last name Tsuker is characteristic of Estonia, where it is a rare surname, Belarus, and Russia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Russia, Belarus, and the United States. Very seldom, Tsuker is the forename as well as the last name.